US 4 to Japan Ring Size
Conversion
US 4 = Japan 7
Inner circumference ≈ 46.8 mm · diameter ≈ 14.9 mm.
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Full conversion chart
| Région | Taille |
|---|---|
| US | 4 |
| UK | H |
| EU | 47 |
| France | 47 |
| Japan | 7 |
About this conversion
A US 4 ring converts to a Japan 7. Inner circumference ≈ 46.8 mm · diameter ≈ 14.9 mm. Ring sizes all describe one physical measurement — the inner circumference of the band — that each country labels differently.
To check at home, measure the inside diameter of a ring that already fits and compare it to the millimetre figure above.